[Python-Dev] Re: PEP 318 bake-off?

[Mark Russell]

On Sun, 2004-04-04 at 01:37, Josiah Carlson wrote:
> >     def __call__(self, *args, **kwds):
> >         key = (args, tuple(kwds.items())) # hope everything's hashable...
> >         return ( self.get(key)
> >                  or self.setdefault(key, self.func(*args, **kwds)) )
> 
> I believe that with standard dictionaries, kwds is not guaraneed to have
> any particular order.  Perhaps sorting kwds.items() makes sense?

Also the call to self.func() is needlessly repeated if the return value
is 0, None, or anything else that is treated as False.  I realise that
this is off the point slightly, but using "e1 or e2" like this is such
an attractive nuisance it warrants being stomped on wherever possible.

Mark Russell